CVE-2026-92953

{
  "etk_id": "ETK-2026-691",
  "cve_id": "CVE-2026-92953",
  "display_id": "CVE-2026-92953",
  "ghsa_id": "GHSA-3vgf-8m4q-q4qr",
  "euvd_id": "EUVD-2026-81602",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Host prototype pollution in vm2 VM sandboxes",
  "summary": "vm2 versions before 3.11.8 do not fully isolate host typed-array and ArrayBuffer prototypes from code running in a default VM sandbox. An attacker able to execute JavaScript in that sandbox can modify shared host prototype behavior, affecting subsequently created host typed arrays and ArrayBuffers.",
  "mitigation": "Upgrade vm2 to version 3.11.8 or later. Until upgraded, do not run untrusted JavaScript in vm2 VM sandboxes.",
  "vendor": "npm",
  "product": "npm:vm2",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 3.11.0, <= 3.11.7"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "3.11.8"
      ],
      "package_name": "vm2",
      "purl": "pkg:npm/vm2"
    }
  ],
  "cwes": null,
  "cvss_score": 10,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H",
  "epss_score": 0.005,
  "epss_percentile": 0.4169,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 15.002897283333333,
  "t0_at": "2026-09-17T13:46:12.146000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-09-17T13:46:12.146000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-09-17T13:46:12.146000+00:00",
      "url": "https://github.com/advisories/GHSA-3vgf-8m4q-q4qr"
    }
  }
}